National Guard troops used special vehicles with tank-like treads to rescue stranded drivers in Colorado in the wake of a massive storm that unleashed heavy rain and snow on large parts of the United States.

The US is issuing an emergency order grounding all Boeing 737 Max 8 and Max 9 aircraft “effective immediately” in the wake of the crash of an Ethiopian Airliner that killed 157 people, President Donald Trump has said.

Millions of vehicles worldwide could be at risk from criminals exploiting their connected car alarms, risking exposing the owner’s details, disabling the alarm, unlocking the car or even having the engine remotely stopped.

An executive of Chinese tech giant Huawei is suing the Canadian government, its border agency and the national police force, saying they detained, searched and interrogated her before telling her she was under arrest.